Brought home a new lens today...

Picked up the Canon 15mm fisheye today (using it on a FF body). I was torn between that and the 135 f2L (I know, two completely different lenses) but I figured the fisheye would give me more "creative control" considering that I already have the 70-200 f2.8L. It's definately a fun lens and my wife and I have had a ball with it all evening (she helped make the decision, thinking it would be much more "fun" to play with). I absolutely love what it can do but I'm still not quite convinced I'm going to keep it....I'm still waivering on taking it back and exchanging it towards the 135. I've wanted a fisheye for a long while but was never convinced I would use it after the novelty wore off, plus I'm a bit dissapointed that it doesn't have a USM focus motor for the money it cost. Overall, I'm actually more impressed with it than I thought I would be. I'll most likely hang on to it because it seems to have a lot of potential. Anyone else here own or have owned this lens? Any thoughts??

Here's a quick shot of my dog I took....it's really nothing special or posed but I somewhat feel obligated to share one of my snapshots with it

I like using my 15mm fisheye every so often. it's a very fun lens... and with a FF camera, it should make for some very fun images.

keep it! youll find your creativity level go up because of it. so many fun pictures to be had! like the picture of your dog, its an every day thing but look how cool it is!